What are the iPhone4 charger specifications?

Hong Kong version of the iPhone 4 UK regulatory charger-Model A1299 The Hong Kong version of the iPhone 4 uses a British standard charger, the specific model is A1299. The biggest feature is the 3-pin interface, which causes our domestic users to use multi-function sockets, which will be more troublesome to use. iPhone 4 Hong Kong version of the British regulatory charger model A1299 iPhone 4 China licensed charger model A1205 The licensed charger is different from the US version of the Mini charger, and it is also different from the Hong Kong version of the British regulation. Its biggest feature is the replaceable plug interface. Traveling users can change the appropriate plug according to the national standards of the target. Of course, please buy these additional plugs yourself

How scum on the cottage charger? Cheap for a reason

The authenticity of iPad chargers is very popular compared to Apple devices. Some fruit powders even have multiple iOS devices, but sometimes an original charger is not enough at all, so many people choose to buy a cheap charger online, and the price of chargers on the Internet The gap is also huge, ranging from RMB 3 to 15 yuan. These chargers can basically charge iPad and iPhone normally, and many people are lucky to think that the cottage charger will not be dangerous. But is this really the case? Is there really a difference between an unlicensed charger for 10 yuan and an original Apple charger for 149 yuan?

Computer power adapter price introduction

How much is the computer power adapter? As a computer consumable, many friends will encounter it damage. So how expensive is the power adapter?
As we all know, the price of Apple Computer accessories is quite expensive, and this is understandable, so its power adapter is generally above 100 yuan. For a 60w toothbrush type power adapter, its price is 119 yuan. Similar accessories of other brands do not want to be so expensive, most of them are in the range of tens of yuan.

Top ten brands of power adapters? What brand is good?

Dongguan Qiqi Industrial Co., Ltd .: 20 years of experience in power adapter manufacturers , professional development and design of power adapters, product appearance is self-designed, patented products. Industry-leading, supports custom production of switching power supplies, high product stability, safety guarantee, and trustworthy! Pass CE, CB, GS, BS, UL, CUL, FCC, PSE, KC, CCC safety certification!
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note! Don't let the devaluation of foreign currencies eat up your profits

Jac's foreign trade practice: [micro] How companies should deal with the large depreciation of foreign currencies I must emphasize that it is micro, otherwise there will be theorists to narrow my eyes. This problem is estimated to be a headache for most foreign trade companies and foreign trade people. Especially for some industries with very low profits, they are already suffering a little bit, and a slight depreciation of foreign currencies will eat up our hard-earned money. What should we do? Do not die immediately, do slowly waiting to die. How to do? Those who have studied foreign trade subjects know that there is a term called forward foreign exchange exchange rate lock. It is to deal with this risk.

How to choose a car charger

Car chargers conventionally used for car battery (12V for cars, 24V for trucks) are widely used in the field of lithium battery charging for various portable and handheld devices, such as: mobile phones, PDAs, GPS, etc. Lithium batteries must be considered in car charging The actual demand for charging (constant voltage CV, constant current CC, over-voltage protection OVP), must also take into account the harsh environment of the vehicle battery (transient peak voltage, system switching noise interference, EMI, etc.); therefore, the power management of the car charging scheme The IC must also meet: high-voltage, high-efficiency, high-reliability, low-frequency (conducive to EMI design) switching power supply chips; in general, it requires "skinny." Pay attention to the versatility, portability, fashion, and safety of car chargers when buying